header{
    background-color: red;
}


header>a{
    width: 10%;
    color: white;
    font-size: 18px;
    margin-left: 10px;
}
header>p{
    flex: 1;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
}
header>img{
    width: 8%;
    margin-right: 10px;
}

body>p{
    height: 1rem;
    background-color: #fff;
    line-height: 1rem;
    text-align: center;
    color: gray;
}

.box{
    background-color: #fff;
    overflow: hidden;
}
.box>li{
    display: flex;
    margin-top: 10px;
    margin-left: 8px;
}
.box>li>img{
    height: 2.2rem;
    width: 2.5rem;
}
.box>li>div{
    margin-left: 10px;
    min-height: 3rem;
}
.box>li>div>p:nth-child(1){
    font-size: 14px;
    min-height: 1rem;
}
.box>li>div>p:nth-child(2){
    font-size: 16px;
    height: .8rem;
    line-height: .8rem;
}
.box>li>div>p:nth-child(3){
    color: orange;
    font-size: 13px;
}

.cover{
    width: 10rem;
    height: 17.787rem;
    background-color: rgba(0,0,0,0.5);
    position: fixed;
    left: 0;
    top: -17.787rem;
    transition: top 0.5s;
    
}
.cover .left , .right{
    background-color: #666666;
    width: 1rem;
    height: 2rem;
    color: white;
    font-size: 50px;
    line-height: 2rem;
}
.cover .left{
    position: absolute;
    left: 1.6rem;
    top: 7.9rem;
    z-index: 5;
}
.cover .right{
    position: absolute;
    right: 1.6rem;
    top: 7.9rem;
    z-index: 5;
}
.cover .container{
    position: absolute;
    left:2.6rem;
    top: 7rem;
    width: 4.8rem;
    height: 4.2rem;
    overflow: hidden;
}
.cover .container img{
    width: 4.8rem;
    height: 4.2rem;
}
.cover .container .show{
    display: flex;
    position: absolute;
    top: 0;
    left: -4.8rem;
}
.cover .off{
    font-size: 30px;
    color: white;
    background-color: black;
    opacity: 0.5;
    position: absolute;
    top: 7rem;
    z-index: 5;
    right: 2.6rem;
    height: 1rem;
    width: 1rem;
    text-align: center;
    line-height: 1rem;
}